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Doctors Medicines MCQs Q&A

  1. Zero at its both ends
  2. $${\text{w}}l$$ at one end and $$ - {\text{w}}l$$  at the other end
  3. $$\frac{{{\text{w}}l}}{2}$$ at one end and $$ - \frac{{{\text{w}}l}}{2}$$  at the other end
  4. $$\frac{{{\text{w}}{l^2}}}{2}$$ at one end and $$ - \frac{{{\text{w}}{l^2}}}{2}$$  at the other end
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1 Answers

Answer: Option 3

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